Finding the Third Proportional to 56,779.88 and 88,165.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,779.88 : 88,165.69 = 88,165.69 : x
2. Step 2: Convert to fraction form
   56,779.88/88,165.69 = 88,165.69/x
3. Step 3: Cross multiply
   56,779.88x = 88,165.69 × 88,165.69
4. Step 4: Simplify right side
   56,779.88x = 7,773,188,452.35
5. Step 5: Solve for x
   x = 7,773,188,452.35/56,779.88
6. Step 6: Final answer
   x = 136,900.42